Customer problem:
I buy another Kessy module. I do backup by VVDI Key Tool Plus! Saved! Then I add dealer key! Then I write back file that I make dealer key new! I get “Unknown error! Verification failed!” Then I try to put back original file. I do backup and still same failed!
The solution:
Follow the steps below to operate again.
Check key before programming
Remove IC 93C86
Put the chip into the 93C86A (8PIN) Adapter, and connect the adapter to Key Tool Plus
Select Prog-> EEPROM and FLASH-> Brand List-> MICROCHIP-> 93CXX-> 93C86A (8PIN) (Adapter)-> Read-> EEPROM
Click “Begin”
Make sure the adapter and chip are connected, then continue to start the operation
Read data successfully, and save the file
Select Immo Data Tool-> Europe-> Porsche-> Kessy-> HITAG-93C86-> Begin
Load the file 93C86
Select one unused key position
Put the key into the coil of Xhorse Key Tool Plus
Click “PREPARE DEALER KEY”
Select “PCF 7936 (PCF 7946)”
Prepare dealer key successfully. It can start engine after write back new dump file
Add another new key, need to load the new data file, click “OK” to save the new dump file
Back to the main menu, select Prog-> EEPROM and FLASH-> Brand List-> MICROCHIP-> 93CXX-> 93C86A (8PIN) (Adapter)-> Write-> EEPROM
Click “Begin”
Select the new dump file to write back
Write the file successfully
Finally, learn the keys
Customer feedback:
I got it work! Thanks so much! Those steps I was doing were completely wrong. I followed the guide you offered to complete the different steps by VVDI Key Tool Plus Pad and worked now!
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